Table 1 Classification of hemorrhage
| Â | Class | |||
|---|---|---|---|---|
Parameter | I | II | III | IV |
Blood loss (ml) | <750 | 750–1500 | 1500–2000 | >2000 |
Blood loss (%) | <15% | 15–30% | 30–40% | >40% |
Pulse rate (beats/min) | <100 | >100 | >120 | >140 |
Blood pressure | Normal | Decreased | Decreased | Decreased |
Respiratory rate (breaths/min) | 14–20 | 20–30 | 30–40 | >35 |
Urine output (ml/hour) | >30 | 20–30 | 5–15 | Negligible |
CNS symptoms | Normal | Anxious | Confused | Lethargic |